1. 1
2. 2
3. 3
4. 4
5. 5
6. 6
7. 7
8. 8
9. 9
10. 10
11. 11
12. 12
13. 13
14. 14
15. 15
16. 16
17. 17
18. 18
19. 19
20. 20
21. 21
22. 22
23. 23
24. 24
25. 25
26. 26
27. 27
28. 28
29. 29
30. 30
31. 31
32. 32
33. 33
34. 34
35. 35
36. 36
37. 37
38. 38
39. 39

package pam

import "sync"

var cb struct {
	sync.Mutex
	m map[int]interface{}
	c int
}

func init() {
	cb.m = make(map[int]interface{})
}

func cbAdd(v interface{}) int {
	cb.Lock()
	defer cb.Unlock()
	cb.c++
	cb.m[cb.c] = v
	return cb.c
}

func cbGet(c int) interface{} {
	cb.Lock()
	defer cb.Unlock()
	if v, ok := cb.m[c]; ok {
		return v
	}
	panic("Callback pointer not found")
}

func cbDelete(c int) {
	cb.Lock()
	defer cb.Unlock()
	if _, ok := cb.m[c]; !ok {
		panic("Callback pointer not found")
	}
	delete(cb.m, c)
}